Workplace atmospheres. Determination of inorganic acids by ion chromatography. Part 2. Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios. Part 3. Intrinsic and geometrical laser beam classification, propagation and details of test methods
